72 of 25 students are good in mathematics
Asked by admin @ in Math viewed by 262 People
"Question 3 72% of 25 students are good in mathematics. How many are not good in mathematics?
Class 8 Comparing Quantities Page 119"
Asked by admin @ in Math viewed by 262 People
"Question 3 72% of 25 students are good in mathematics. How many are not good in mathematics?
Class 8 Comparing Quantities Page 119"
Answered by admin @
Percentages:
A percent Is a fraction with
denominator 100. i.e 1/100
Per cent is derived from Latin word ‘per centum’
meaning ‘per hundred’.
It is denoted by % symbol
1% means 1/100= .01
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Solution:
Total number of students = 25 (given)
Number of good students in mathematics = 72% of 25
= (72/100) x 25
= 72/4 =18
Number of students not good in mathematics = 25 – 18 = 7
Hence, Number of students not good in mathematics =7
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